Catalog excerpts
U.S. Patent Numbers 6840258, 6840259 and worldwide patents pending A Worldwide Leader in Double Valve Technology Since 1950 www.rosseuropa.com 1
Open the catalog to page 1TM The ROSS CrossflowTM SERPAR® double valves provide new features in response to the changing demands of the mechanical press industry and its associated standards (e.g. EN 692 ff.) and regulations regarding the control of pneumatically controlled clutch and brake applications. The consensus requirements of the regulations and good practices require that, in case of a failure within the valve, the clutch and brake mechanisms be quickly exhausted, a monitor takes action to prevent further operation, and a method to alert personnel is incorporated. These new features also make the valve...
Open the catalog to page 2Overview of (Please refer to the Main Valve Internals illustration on pg. 16.) The flow of inlet air pressure into the crossover passages is restricted by the size of the passage between the stem and the valve body opening. Flow is sufficient to quickly pressurize pilot supply/timing chambers A and B. The inlet poppets prevent air flow from crossover passages into the outlet chamber. Air pressure acting on the inlet poppets and return pistons securely hold the valve elements in the closed position. (Air passages shown out of position and reset adapter omitted for clarity.) Double Valve...
Open the catalog to page 3CrossflowTM SERPAR® Double Valves U.S. PATENT Nos. 6840258 and 6840259 – other worldwide patents pending. TM ROSSdouble valves have been approved by the following testing and certificating authority: BG-PRÜFZERT, Fachausschuß “Maschinenbau, Hebezeuge, Hütten- und Walzwerksanlagen”, Germany. Simplified Schematic (See page 14 for complete schematic.) IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on page 16. • Total Dynamic Monitoring With Complete Memory: Memory, monitoring, and air flow control functions are simply integrated into two identical valve elements....
Open the catalog to page 4CrossflowTM SERPAR® Double Valves HOW TO ORDER (Choose your options (in red) to configure your valve model number. See pages 7, 9, & 11 for other basic sizes.) REVISION LEVEL BASIC SIZE ** 220 VAC not available in the U.S. (OSHA regulations limit press control voltage to no more than 120 VAC). BASE MODEL NUMBERS and BASE SPECIFIC INFORMATION Model Number* Inlet Port Outlet Port Status Indicator D1697C91 D1698C91 D1699C91 D1700C91 *BSPP port threads. For NPT threads omit letter “D”. Example: 1700C91.
Open the catalog to page 5CrossflowTM SERPAR® Double Valves U.S. PATENT Nos. 6840258 and 6840259 – other worldwide patents pending. TM ROSSdouble valves have been approved by the following testing and certificating authority: BG-PRÜFZERT, Fachausschuß “Maschinenbau, Hebezeuge, Hütten- und Walzwerksanlagen”, Germany. Simplified Schematic (See page 14 for complete schematic.) IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on page 16. • Total Dynamic Monitoring With Complete Memory: Memory, monitoring, and air flow control functions are simply integrated into two identical valve elements....
Open the catalog to page 6CrossflowTM SERPAR® Double Valves HOW TO ORDER (Choose your options (in red) to configure your valve model number. See pages 5, 9, & 11 for other basic sizes.) REVISION LEVEL BASIC SIZE ** 220 VAC not available in the U.S. (OSHA regulations limit press control voltage to no more than 120 VAC). BASE MODEL NUMBERS and BASE SPECIFIC INFORMATION Model Number* Inlet Port Outlet Port Status Indicator D1701C91 D1702C91 D1703C91 D1704C91 **BSPP port threads. For NPT threads omit letter “D”. Example: 1701C91.
Open the catalog to page 7CrossflowTM SERPAR® Double Valves U.S. PATENT Nos. 6840258 and 6840259 – other worldwide patents pending. TM ROSSdouble valves have been approved by the following testing and certificating authority: BG-PRÜFZERT, Fachausschuß “Maschinenbau, Hebezeuge, Hütten- und Walzwerksanlagen”, Germany. Simplified Schematic IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on page 16. (See page 14 for complete schematic.) • Total Dynamic Monitoring With Complete Memory: Memory, monitoring, and air flow control functions are simply integrated into two identical valve elements....
Open the catalog to page 8CrossflowTM SERPAR® Double Valves HOW TO ORDER (Choose your options (in red) to configure your valve model number. See pages 5, 7, & 11 for other basic sizes.) PRODUCT THREAD REVISION LEVEL BASIC SIZE ** 220 VAC not available in the U.S. (OSHA regulations limit press control voltage to no more than 120 VAC). BASE MODEL NUMBERS and BASE SPECIFIC INFORMATION Model Number* Inlet Port Outlet Port Status Indicator D1705C91 D1706C91 D1707C91 D1708C91 *BSPP port threads. For NPT threads omit letter “D”. Example: 1705C91.
Open the catalog to page 9CrossflowTM SERPAR® Double Valves U.S. PATENT Nos. 6840258 and 6840259 – other worldwide patents pending. TM ROSSdouble valves have been approved by the following testing and certificating authority: BG-PRÜFZERT, Fachausschuß “Maschinenbau, Hebezeuge, Hütten- und Walzwerksanlagen”, Germany. Simplified Schematic (See page 14 for complete schematic.) IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on page 16. • Total Dynamic Monitoring With Complete Memory: Memory, monitoring, and air flow control functions are simply integrated into two identical valve elements....
Open the catalog to page 10CrossflowTM SERPAR® Double Valves HOW TO ORDER (Choose your options (in red) to configure your valve model number. See pages 5, 7, & 9 for other basic sizes.) STATUS INDICATOR REVISION LEVEL ** 220 VAC not available in the U.S. (OSHA regulations limit press control voltage to no more than 120 VAC). BASE MODEL NUMBERS and BASE SPECIFIC INFORMATION Model Number* Inlet Port Outlet Port Status Indicator D1709C91 D1710C91 *BSPP port threads. For NPT threads omit letter “D”. Example: 1709C91.
Open the catalog to page 11ACCESSORIES STATUS INDICATOR The Status Indicator pressure switch actuates when the valve is in a ready-to-run condition and de-actuates when the valve is in a lock-out condition or when the inlet air pressure has been removed. Although, the valves can be purchased with this option already installed, the Status Indicator can be purchased separately by ordering part number: 670B94 RESET VALVES for MODELS with REMOTE RESET On valve models with solenoid reset, a solenoid on the valve is actuated to perform the reset function. Models for remote reset, however, require a small reset valve and...
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